A practical, teacher-ready guide to writing and understanding numbers, with clear methods and steady practice for the arithmetic classroom.
This edition presents detailed methods of work in the familiar parts of arithmetic, focusing on how to analyze numbers and how to express them clearly. It explains different notation systems, how to read and write large numbers, and how to organize numbers into periods. The book also introduces the Word, Letter, and Figure (Arabic) methods, with guidance on when each is most useful, and it emphasizes the importance of rapid, accurate writing without erasing.
- Learn how numbers are expressed and read, and how to read numbers in large groups by period.
- Understand three notation methods and how to apply them in everyday work and writing.
- Master the reading and writing of decimals, fractions, and large numerical expressions.
- Practice accurate, rapid writing habits and the mental pictures needed for correct notation.
Ideal for teachers seeking structured approaches and for students who want a clear, hands‑on path through written arithmetic.
John W. Cook is a former president of the Henry Luce Foundation, Inc.